# AquaLens: Aquarium Log Tracker — Fish Tank Care & Water Test

> Smart aquarium log, water test tracker, and aquatic life identification app. (iPhone/iPad app by David Walker.)

- Source: https://appshunter.io/ios/app/aqualens-aquarium-log-tracker/id6760222697 (this page in markdown: same URL + `.md`)
- Developer: [David Walker](https://appshunter.io/developer/1883341427)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Rating: 4.40/5 from 21 App Store ratings · 9 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 184 MB
- Languages: American English
- Released: 2026-03-12
- Data updated: 2026-09-09
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/aqualens-aquarium-log-tracker/id6760222697/reviews.md

## What is AquaLens?

AquaLens is a smart aquarium log, water test tracker, and fish, plant, and coral ID app for freshwater and saltwater tanks.

Log water tests, identify fish and plants from a photo, track tank care, and get AI-powered guidance based on your real aquarium history.

Whether you're starting your first planted tank, managing a community setup, or fine-tuning a reef, AquaLens keeps your water chemistry, livestock, maintenance, and notes in one place.

WHAT CAN YOU DO WITH AQUALENS?

Aquarium Log & Tank Journal
Track water changes, test results, dosing, maintenance, livestock updates, and observations in one timeline.

Water Test Scanner
Scan test strips or liquid test kit results in seconds and keep a history of your water chemistry over time.

Fish & Plant Identification
Identify fish, plants, coral, algae, snails, and other aquarium life from a photo, with care info and aquarium-specific context.

Chemistry Trends
Follow pH, ammonia, nitrite, nitrate, phosphate, calcium, alkalinity, magnesium, salinity, and more with clear charts and trends.

Care & Health Guidance
Use your tank history, chemistry, and observations to get more useful next-step guidance when something looks off.

Reef & Planted Tank Planning
Map coral and plant layouts, review placement, and plan changes with better visual context.

Compatibility & Tank Management
Manage multiple tanks, track residents, review compatibility, and keep freshwater and saltwater systems organized.

Built for beginners and experienced hobbyists alike, from nitrogen cycle tracking to advanced reef and planted tank workflows.

Free to start. AquaLens Pro unlocks advanced analysis and premium tank tools.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.aqualensapp.com/privacy

## Key features

- Aquarium log and tank journal
- Water test scanning and history
- Fish, plant, and coral identification
- Chemistry trends and analysis
- AI-powered care guidance
- Reef and planted tank planning
- Multi-tank management

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| AquaLens Pro Monthly. | $4.99 | per month |
| AquaLens Pro Yearly. | $39.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| AquaLens Pro Lifetime | $149.99 | one-time |


## Recent user reviews (9 of 9)

All indexed reviews: https://appshunter.io/ios/app/aqualens-aquarium-log-tracker/id6760222697/reviews.md

### 5/5 — Good bit of kit

*2026-08-22*

If you want to keep a log of all your tests easily then this is for you

**Developer response:** Cheers Mate!  Thanks and hope you enjoy it...

### 4/5 — Cool App - But buggy, and not very intuitive

*2026-08-12*

This app is quite cool , I like where it’s going, but it seriously needs to be polished. There are some buggy features , for instance, the AI overview tells me my nitrites have spiked when I’ve recorded 0 nitrites. Some buttons are redundant, like journal log can also be a water test, and you can scan water test, or navigate to another tab in the app and log the water test manually. This leads to some major confusion about what features are in what part of the app, it is quite easy to find a feature, and then totally forget how to navigate to it again. It took me a while to find out how to update my equipment or modify my tank inhabitants.

I do quite like the time series plot for water parameters. I would not pay for a subscription to this app until it becomes more polished and the bugs worked out, but I think it is well on its way there.

**Developer response:** Thank you for the thoughtful and detailed feedback. You’re right that AquaLens needs clearer navigation and more polish. I’m evolving the app quickly based on user feedback, which has sometimes resulted in features appearing in multiple places while I gradually move functionality into improved workflows. I’m actively consolidating these paths and making equipment, inhabitants, and water-test logging easier to find.

The incorrect nitrite-spike warning is especially concerning, and I’m investigating it. AI insights should always reflect your recorded data accurately.

I’m glad you’re enjoying the water-parameter charts, and I appreciate you recognizing AquaLens’ potential. Feedback like this helps me prioritize the improvements needed to earn your subscription.

### 2/5 — Great if it Worked Properly

*2026-07-26*

This app seems amazing at first, plenty of neat tools to help you out especially if your a beginner or newer to the hobby. I have 3 tanks and while trying to set up separate tank profiles for each one, the app does not allow me to enter filter, lighting, or even how large the tank is. Instead it keeps telling me to find “Hardware Specs” however I can’t find it anywhere. There’s a 99% chance I’m a moron tho so who knows.

**Developer response:** Hardware specs is in my tank, click on more from the options at the top (where journal, care etc are), then click on Lab, then hardware specs.   You can enter your lighting and tank specs in there. Each tank is set up separately so the analysis is separate for each tank.  You can switch between tanks at the top of my tank (where the names are).  that will also allow you to set up hardware specs for each tank. 

There is also guides in the library on how to set up the hardware and the rest of the app.

 If you still can't find it, I can walk you through it if you drop me an email Dave@aqualensapp.com

### 5/5 — Love it

*2026-06-13*

I love this app! 

I’m new to aquascaping and have found this tool to be extremely helpful and insightful! 

So glad I saw this app recommended in one of my fishy FB groups. I recommend it every chance I get!

**Developer response:** Hi Rebel! Thank you so much for your wonderful review, it truly made my day! I’m so happy the app has been helpful as you begin your aquascaping journey. Thank you also for recommending it to other fish keepers; your support means the world to me. Happy scaping! 🐠🌿💙

### 5/5 — Super helpful for beginners

*2026-05-30*

It’s a new app, that the owner listens to users and is making tweaks/adjustments. Simple and easy way to track the water chemistry of your tank. Health features use AI to analyze pictures of plants and fish to give a diagnosis.

**Developer response:** CJ, thank you so much for the thoughtful review and for all of your incredibly helpful suggestions. I’m actively listening, and honestly, many of AquaLens’ newest features have come from your ideas. I’m glad the water chemistry tracking feels simple and easy to use, and I’ll keep refining the AI health tools for plants and fish so they get even more useful over time. Really appreciate you being part of shaping AquaLens.

### 5/5 — Game-Changing App

*2026-05-07*

Clean, modern aquarium tracker with powerful features. Love having water parameters, livestock, and maintenance logs all in one place. Great for both beginners and experienced hobbyists!

**Developer response:** Thank you so much for the thoughtful review! I’m thrilled AquaLens is helping keep water parameters, livestock, and maintenance logs organized in one place. I built it to be useful for hobbyists at every level, so it means a lot to hear that came through.

### 5/5 — Best tutor for a new tank owner

*2026-04-18*

It’s amazing at diagnosing illnesses in fish, helpful with identifying fish and plants, amazing at predicting parameters and also been great at tracking feeding and dosing meds, fertilizer, etc. It relies heavily on AI but as an app in development, the creator is very responsive and fixes problems quickly. I will say, although it’s still in development, I’m still happy with the $ spent on it. Worth every penny for me. I’m hearing more experienced aquarium owners find it less useful, but as a newer tank owner it’s been invaluable.

**Developer response:** Thank you so much for taking the time to leave such a thoughtful review. It truly means a lot to hear that the app has been so helpful for you across all aspects of aquarium and fish keeping. That’s exactly the kind of support I hoped the app could provide.

I also really appreciate your kindness and patience as the app continues to grow and improve. It’s still very much evolving, and thoughtful feedback like yours helps shape what it becomes. I’m always working to make it better, and hearing that it’s been worth every penny for you is incredibly encouraging.

Thank you again for your support. I’m so glad AquaLens has been a valuable part of your aquarium journey.

### 1/5 — Far too greedy on pricing

*2026-04-11*

Went around asking for testers like crazy in all kinds of groups. Cool and all but $5 a month is crazy, when excel is free lol.

**Developer response:** Thanks for trying the app and for the honest feedback. I understand $5/month won’t feel worth it for everyone, especially if your needs are already covered elsewhere. AquaLens is built for people who want a faster, more specialized workflow than a spreadsheet can offer, and we’re continuing to improve the value over time. I appreciate you taking the time to share your perspective.

### 4/5 — Still in development

*2026-04-01*

This is someone’s project and it’s honestly really amazing with all the things you can do. This is definitely shaping up to be a solid 5 star tool for aquarium hobbyists. I am along for the ride! The only downside is that it relays so heavily on AI and it can be unpredictable with some of its conclusions but like I said this is someone’s project (AKA a work-in-progress). Shoutout to Dave and all his hard work!

**Developer response:** Thanks so much for the thoughtful review and for being along for the ride. AquaLens has only been live for 23 days, and I’m building it myself as a hobbyist for other hobbyists, not as a big company removed from the aquarium world. I’m building it for the community and improving it with real feedback, so it will always keep adapting and getting better.

What AquaLens is trying to do is incredibly nuanced, and I’m constantly refining how it interprets those patterns. Anyone can see the ripples in a pond. The hard part is understanding what caused them, and where they may lead next. That’s the goal with AquaLens, and with more people and more data, it keeps getting smarter and more accurate. 

Your support really means a lot, and I’m grateful to have you here.

## Frequently asked questions about AquaLens

### What is AquaLens?

AquaLens is a smart aquarium log and tracker that helps you identify fish and plants, monitor water chemistry, and manage tank maintenance. It provides AI-powered guidance based on your aquarium's history.

### Does AquaLens have ads?

No, AquaLens does not contain advertisements. The app is free to start, with optional premium features available through a subscription.

### How does AquaLens identify fish and plants?

AquaLens uses photo identification to recognize fish, plants, coral, algae, and other aquarium life. It then provides care information and context specific to aquarium environments.

### Can AquaLens track water tests?

Yes, AquaLens can scan water test strips or liquid test kit results in seconds. It maintains a history of your water chemistry over time, displaying clear charts and trends for parameters like pH, ammonia, and nitrate.

### What are the subscription options for AquaLens Pro?

AquaLens Pro offers monthly and yearly subscription plans. The monthly plan is $4.99, and the yearly plan is $39.99, which includes a 7-day free trial.

### Is AquaLens suitable for beginners?

Yes, AquaLens is built for beginners and experienced hobbyists alike. It assists with everything from nitrogen cycle tracking to advanced reef and planted tank workflows.

### What devices does AquaLens support?

AquaLens is available on iPhone, iPad, and iPod. It is rated for ages 4 and up.

### How often is AquaLens updated?

The latest version of AquaLens is V3 3.3.6, which was last updated on May 29, 2026. Updates typically include new features and improvements based on user feedback and development.

## Version history (last 5 releases)

### 4.2.2 — 2026-09-05

This update makes AquaLens more connected, reliable, and easier to use.

• Breeding Lab now keeps fry counts synchronized with Residents as offspring grow.
• Open matching Library species profiles directly from resident details, with more relevant Library results.
• Cross-device cloud syncing is safer, with stronger merge and conflict protections.
• Compatibility analysis now respects your selected gallons or liters.
• Clearer scan results, aquarium analysis, and purchase recovery messages.
• Fixed guide numbering and stale iOS notification badges.

Thank you for using AquaLens!

### 4.2.1 — 2026-08-20

This update makes AquaLens more connected, reliable, and easier to use.

• Breeding Lab now keeps fry counts synchronized with Residents as offspring grow.
• Open matching Library species profiles directly from resident details, with more relevant Library results.
• Cross-device cloud syncing is safer, with stronger merge and conflict protections.
• Compatibility analysis now respects your selected gallons or liters.
• Clearer scan results, aquarium analysis, and purchase recovery messages.
• Fixed guide numbering and stale iOS notification badges.

Thank you for using AquaLens!

### V4 4.2.0 — 2026-08-18

This update makes AquaLens more connected, reliable, and easier to use.

• Breeding Lab now keeps fry counts synchronized with Residents as offspring grow.
• Open matching Library species profiles directly from resident details, with more relevant Library results.
• Cross-device cloud syncing is safer, with stronger merge and conflict protections.
• Compatibility analysis now respects your selected gallons or liters.
• Clearer scan results, aquarium analysis, and purchase recovery messages.
• Fixed guide numbering and stale iOS notification badges.

Thank you for using AquaLens!

### V4 4.1.5 — 2026-08-15

This update makes AquaLens more connected, reliable, and easier to use.

• Breeding Lab now keeps fry counts synchronized with Residents as offspring grow.
• Open matching Library species profiles directly from resident details, with more relevant Library results.
• Cross-device cloud syncing is safer, with stronger merge and conflict protections.
• Compatibility analysis now respects your selected gallons or liters.
• Clearer scan results, aquarium analysis, and purchase recovery messages.
• Fixed guide numbering and stale iOS notification badges.

Thank you for using AquaLens!

### v4 4.1.4 — 2026-08-14

This update makes AquaLens more connected, reliable, and easier to use.

• Breeding Lab now keeps fry counts synchronized with Residents as offspring grow.
• Open matching Library species profiles directly from resident details, with more relevant Library results.
• Cross-device cloud syncing is safer, with stronger merge and conflict protections.
• Compatibility analysis now respects your selected gallons or liters.
• Clearer scan results, aquarium analysis, and purchase recovery messages.
• Fixed guide numbering and stale iOS notification badges.

Thank you for using AquaLens!

## More apps by David Walker

- [Auralis: Skincare Routine](https://appshunter.io/ios/app/auralis-skincare-routine/id6762490203)

All apps by David Walker: https://appshunter.io/developer/1883341427

## Related topics

[aqua pro tracker](https://appshunter.io/ios/topics/aqua-pro-tracker) · [aqua dosing](https://appshunter.io/ios/topics/aqua-dosing) · [aquarium care](https://appshunter.io/ios/topics/aquarium-care) · [traker walk](https://appshunter.io/ios/topics/traker-walk)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*